﻿<!DOCTYPE HTML>
<html>
<head>
   <title>Demo4</title>
   <meta charset="utf-8">
  
</head>
<body>
<math xmlns="http://www.w3.org/1998/Math/MathML">		
         <mrow>
            <mi>A</mi>
            <mo>=</mo>			
            <mfenced open="[" close="]">			
               <mtable>
                  <mtr>
                     <mtd><mi>x</mi></mtd>
                     <mtd><mi>y</mi></mtd>
                  </mtr>					
                  <mtr>
                     <mtd><mi>z</mi></mtd>
                     <mtd><mi>w</mi></mtd>
                  </mtr>
               </mtable>               
            </mfenced>
         </mrow>
      </math>
</body>
 
</html>